Explicație pas cu pas:
[tex]{( \frac{1}{6} + \frac{1}{2} - \frac{1}{3})}^{ - 4} \div {( \frac{1}{3} )}^{ - 5} = \\ = {( \frac{1}{6} + \frac{3}{6} - \frac{2}{6})}^{ - 4} \div {({3}^{ - 1})}^{ - 5} \\ = {( \frac{2}{6}})^{ - 4} \div {3}^{5} = {( \frac{1}{3}})^{ - 4} \div {3}^{5} \\ = ( {3}^{ - 1} )^{ - 4} \div {3}^{5} = {3}^{4} \div {3}^{5} = {3}^{ - 1} \\ = \frac{1}{3} [/tex]
